Have you installed any 'ad-blocker' programs on the machine you are having problems, and also the other machines?.
Do you use Avast, and you do, did the recent Avast update advice that you download Abode Air, and you installed that?.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment faire une capture d’écran sur un Mac ?